"Known since Palaeolithic times, valued by the Romans and key to Portugal’s empire-building, there are now less than 3,000 Garranos left".

"Ted Green, a conservation adviser to the crown estate at Windsor, has a provocative take on our ‘living heritage’".

"Highly transparent glass can lead to devastating collisions. But innovations in design are creating safer skylines – without sacrificing beauty".

"Industrial developers describe facilities as “minor” polluters to avoid federal permitting requirements, and environmental lawyers say the Texas Commission on Environmental Quality lets it happen."

"In countries including India, Kenya and Yemen, disputes over water have triggered bloodshed."

"Just southeast of Phoenix, over 150 miles of canals sit uncovered in one of the hottest and driest regions of the country. The Gila River Indian community’s solar panel project, which would cover some of those canals with solar panels, could be the start of a new wave of such solar projects, known as floatovoltaics."

"A polar bear has been killed by bird flu as the highly contagious H5N1 virus spreads into the most remote parts of the planet."